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During nitrogen fixation,bacteria convert toxic ammonia into atmospheric nitrogen.
Q9: The death of zygotes produced by the
Q13: Exponential growth curves are always linear since
Q24: The evolution of the horse from an
Q28: In the northern ocean basins,ocean currents generally
Q33: Sympatric speciation requires geographic isolation of populations.
Q53: Plate tectonics causes the _ of Earth's
Q59: The following figure illustrates the rain shadow
Q64: Neighboring plant or fungal cells share a
Q72: The base sequence of mRNA specifies the
Q80: The importance of tRNA is that it<br>A)